What size airline ? The one suggested by amazon is too small .

This air stone matches two size air tubes, 3/16 " and 3/8". Wet the airline with water. It might be easier to install.

How many leters per min?

You’re better off with the pawfly 8” cylinder. These deteriorate extremely fast as if the material they used is insufficient.

Yes they do sink. Also check out pawfly 8” cylinders. I tried the synthetic pawfly black 8” and I think its cheaply made so I’ll be sticking with the original blue 8” pawfly airstone cylinders.

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Description

💧 Elevate your aquarium’s vibe with bubbles that breathe life!

DUAL PACK CONVENIENCE - Two premium air stones included—double the aeration, double the impact.
DURABILITY MEETS DESIGN - Robust shell guards the air stone from damage, ensuring long-lasting performance.
EFFORTLESS OXYGEN BOOST - Enhance aquatic life with consistent, fine bubbles that promote healthier fish and plants.
EASY MAINTENANCE ROUTINE - Simple soak and brush cleaning keeps your system running smoothly and clog-free.
UNIVERSAL TUBING COMPATIBILITY - Fits both 3/16” and 3/8” inner diameter tubing for seamless integration into your setup.

The Alegi Air Stone Cylinder Bubbler is a 5.3-inch mineral stone device designed to improve oxygenation in aquariums, fish tanks, and hydroponic systems. Compatible with 3/16” and 3/8” tubing and requiring a minimum 4W air pump, it features a durable protective shell and comes in a convenient 2-pack for enhanced aquatic health and aesthetic appeal.

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Desertcart is an international e-commerce platform operating since 2014. We securely process thousands of orders globally each day. Every product goes through our quality verification process before delivery, and we provide end-to-end order tracking, 24/7 customer support, and a comprehensive returns policy to ensure a safe shopping experience.

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The MOLLE sheath is of exceptional quality. Very happy with my purchase.

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